longbridge-sec-filings
Prompt-only analysis skill. Retrieves SEC filings via Longbridge and extracts investment-relevant signals: financial KPIs (10-K/10-Q), material events (8-K), governance/compensation (Proxy), and insider behaviour (Form 4).
Response language: match the user's input language — Simplified Chinese / Traditional Chinese / English.
When to use
- "帮我看下 AAPL 最新的 10-K" / "What are AAPL's key risks from the latest 10-K?"
- "TSLA 昨天发了个 8-K,说了什么?" / "What did TSLA's 8-K say?"
- "高管最近有没有申报卖股票 (Form 4)?" / "Any insider Form 4 sales recently?"
- "10-Q 的 MD&A 里有什么异常?" / "Any unusual items in the MD&A?"
- "Proxy 里高管薪酬怎么样?" / "What does the proxy say about exec compensation?"
For institutional 13F holdings route to longbridge-flows. For quarterly earnings analysis route to longbridge-earnings.
CLI
Run longbridge <subcommand> --help to verify exact flags.
# List recent filings for a symbol
longbridge filing <SYMBOL> --format json
# Filter by filing type (if supported — verify with --help)
longbridge filing <SYMBOL> --type 10-K --format json
longbridge filing <SYMBOL> --type 10-Q --format json
longbridge filing <SYMBOL> --type 8-K --format json
# Financial data (structured KPIs from filings)
longbridge financial-report <SYMBOL> --format json
# News — supplement for 8-K summaries and insider trade coverage
longbridge news <SYMBOL> --format json
Filing type guide
| Filing |
Frequency |
Key content |
Investment signal |
| 10-K |
Annual |
Full financials, Risk Factors, MD&A, auditor opinion |
Baseline quality, hidden risks |
| 10-Q |
Quarterly |
Interim financials, MD&A updates, legal proceedings |
Trend vs prior quarters |
| 8-K |
Ad hoc |
Material events: earnings, M&A, exec changes, defaults |
Immediate catalyst |
| Proxy (DEF 14A) |
Annual |
Exec compensation, board composition, shareholder proposals |
Governance quality |
| Form 4 |
Within 2 days |
Insider buy/sell transactions (officers/directors) |
Insider sentiment signal |
| SC 13G/13D |
On crossing 5% |
Large investor disclosures |
Block-holder moves |
Workflow
- Identify filing type from the user's question; default to most recent filing if unspecified.
- Fetch filings list with
longbridge filing <SYMBOL>, select the relevant entry.
- Fetch financial KPIs with
longbridge financial-report for structured numbers.
- Supplement with news (
longbridge news) for 8-K summaries or insider trade narratives if filing detail is sparse.
- Extract key items per filing type (see extraction guide below).
- Output structured analysis (template below). Cite Longbridge Securities.
Extraction guide by filing type
10-K / 10-Q
- Revenue, net income, EPS vs prior period
- Gross/operating margin trend
- Free cash flow
- Key risk factors (new risks added or escalated language)
- MD&A: management commentary on performance drivers
- Non-recurring items (impairments, restructuring, gains on asset sales)
- Debt and liquidity (cash, revolver capacity)
8-K
- Event type (Item number: 1.01=material agreement, 2.02=earnings, 5.02=exec change, etc.)
- Material fact in 2–3 sentences
- Bull/bear interpretation
Proxy (DEF 14A)
- CEO total comp vs prior year and vs peers
- Performance metrics in comp plan (revenue, TSR, EPS targets)
- Board independence and audit committee composition
- Shareholder proposals (activist items)
Form 4
- Filer: name and title
- Transaction: buy vs sell, shares, price, date
- Post-transaction ownership
- Pattern: first purchase, cluster selling near highs, 10b5-1 plan flag
Output template
{Symbol} {Filing type} analysis — Source: Longbridge Securities
[Filing metadata]
- Form: {type} | Filed: {date} | Period: {period}
[Key findings]
1. {Finding — max 2 sentences}
2. {Finding}
3. {Finding}
[Financial snapshot] (10-K / 10-Q)
- Revenue: ${X} YoY: {+/-X%}
- Net income: ${X} | EPS: ${X}
- Free cash flow: ${X}
- Non-recurring: {describe or "none identified"}
[Risk factors / MD&A highlights] (10-K / 10-Q)
- New or escalated risks: {list}
- Management tone: {cautious / neutral / optimistic}
[Investment signal]
{Bullish / Bearish / Neutral} — {1-sentence rationale}
⚠️ 以上分析仅供参考,不构成投资建议。/ 以上分析僅供參考,不構成投資建議。/ For reference only. Not investment advice.
Error handling
| Situation |
简体回复 |
繁體回復 |
English reply |
command not found: longbridge |
切换到 MCP;若不可用,请安装 longbridge-terminal |
切換至 MCP;若不可用,請安裝 longbridge-terminal |
Fall back to MCP; if unavailable, install longbridge-terminal |
stderr not logged in |
请执行 longbridge auth login |
請執行 longbridge auth login |
Run longbridge auth login |
filing returns empty |
暂无 SEC 申报数据;尝试 longbridge news 补充 |
暫無 SEC 申報數據;嘗試 longbridge news 補充 |
No filing data available; try longbridge news as supplement |
| Non-US symbol requested |
SEC 申报仅适用于美股;港股/A股请改用相应披露渠道 |
SEC 申報僅適用於美股;港股/A股請改用相應披露渠道 |
SEC filings are US-listed only; for HK/A-share use relevant disclosure channels |
MCP fallback
When the CLI is unavailable, fall back to the MCP server. Discover available tools from the MCP server's tool list at runtime — do not rely on hardcoded tool names.
Related skills
- Quarterly earnings analysis →
longbridge-earnings
- Insider / institutional flows (13F) →
longbridge-flows
- Fundamental KPIs →
longbridge-fundamental
- Company news and sentiment →
longbridge-news
File layout
longbridge-sec-filings/
└── SKILL.md # prompt-only, no scripts/
1---2name: longbridge-sec-filings3description: SEC EDGAR filing analysis via Longbridge — 10-K annual report, 10-Q quarterly, 8-K material events, proxy statement, insider Form 4. Extracts risk factors, MD&A, non-recurring items, and investment signals. Triggers: "SEC文件", "SEC申报", "10-K", "10-Q", "8-K", "委托投票书", "Form 4", "MD&A", "风险因素", "内部人申报", "SEC文件", "SEC申報", "委託投票書", "風險因素", "內部人申報", "SEC filing", "10-K annual report", "10-Q quarterly", "8-K material event", "proxy statement", "Form 4 insider", "MD&A", "risk factors", "SEC EDGAR".4license: MIT5---6
7# longbridge-sec-filings
8
9Prompt-only analysis skill. Retrieves SEC filings via Longbridge and extracts investment-relevant signals: financial KPIs (10-K/10-Q), material events (8-K), governance/compensation (Proxy), and insider behaviour (Form 4).
10
11> **Response language**: match the user's input language — Simplified Chinese / Traditional Chinese / English.
12
13## When to use
14
15- *"帮我看下 AAPL 最新的 10-K"* / *"What are AAPL's key risks from the latest 10-K?"*
16- *"TSLA 昨天发了个 8-K,说了什么?"* / *"What did TSLA's 8-K say?"*
17- *"高管最近有没有申报卖股票 (Form 4)?"* / *"Any insider Form 4 sales recently?"*
18- *"10-Q 的 MD&A 里有什么异常?"* / *"Any unusual items in the MD&A?"*
19- *"Proxy 里高管薪酬怎么样?"* / *"What does the proxy say about exec compensation?"*
20
21For institutional 13F holdings route to `longbridge-flows`. For quarterly earnings analysis route to `longbridge-earnings`.
22
23## CLI
24
25Run `longbridge <subcommand> --help` to verify exact flags.
26
27```bash
28# List recent filings for a symbol
29longbridge filing <SYMBOL> --format json
30
31# Filter by filing type (if supported — verify with --help)
32longbridge filing <SYMBOL> --type 10-K --format json
33longbridge filing <SYMBOL> --type 10-Q --format json
34longbridge filing <SYMBOL> --type 8-K --format json
35
36# Financial data (structured KPIs from filings)
37longbridge financial-report <SYMBOL> --format json
38
39# News — supplement for 8-K summaries and insider trade coverage
40longbridge news <SYMBOL> --format json
41```
42
43## Filing type guide
44
45| Filing | Frequency | Key content | Investment signal |
46|---|---|---|---|
47| 10-K | Annual | Full financials, Risk Factors, MD&A, auditor opinion | Baseline quality, hidden risks |
48| 10-Q | Quarterly | Interim financials, MD&A updates, legal proceedings | Trend vs prior quarters |
49| 8-K | Ad hoc | Material events: earnings, M&A, exec changes, defaults | Immediate catalyst |
50| Proxy (DEF 14A) | Annual | Exec compensation, board composition, shareholder proposals | Governance quality |
51| Form 4 | Within 2 days | Insider buy/sell transactions (officers/directors) | Insider sentiment signal |
52| SC 13G/13D | On crossing 5% | Large investor disclosures | Block-holder moves |
53
54## Workflow
55
561. **Identify filing type** from the user's question; default to most recent filing if unspecified.
572. **Fetch filings list** with `longbridge filing <SYMBOL>`, select the relevant entry.
583. **Fetch financial KPIs** with `longbridge financial-report` for structured numbers.
594. **Supplement with news** (`longbridge news`) for 8-K summaries or insider trade narratives if filing detail is sparse.
605. **Extract key items** per filing type (see extraction guide below).
616. **Output** structured analysis (template below). Cite Longbridge Securities.
62
63## Extraction guide by filing type
64
65### 10-K / 10-Q
66- Revenue, net income, EPS vs prior period
67- Gross/operating margin trend
68- Free cash flow
69- Key risk factors (new risks added or escalated language)
70- MD&A: management commentary on performance drivers
71- Non-recurring items (impairments, restructuring, gains on asset sales)
72- Debt and liquidity (cash, revolver capacity)
73
74### 8-K
75- Event type (Item number: 1.01=material agreement, 2.02=earnings, 5.02=exec change, etc.)
76- Material fact in 2–3 sentences
77- Bull/bear interpretation
78
79### Proxy (DEF 14A)
80- CEO total comp vs prior year and vs peers
81- Performance metrics in comp plan (revenue, TSR, EPS targets)
82- Board independence and audit committee composition
83- Shareholder proposals (activist items)
84
85### Form 4
86- Filer: name and title
87- Transaction: buy vs sell, shares, price, date
88- Post-transaction ownership
89- Pattern: first purchase, cluster selling near highs, 10b5-1 plan flag
90
91## Output template
92
93```
94{Symbol} {Filing type} analysis — Source: Longbridge Securities
95
96[Filing metadata]
97- Form: {type} | Filed: {date} | Period: {period}
98
99[Key findings]
1001. {Finding — max 2 sentences}
1012. {Finding}
1023. {Finding}
103
104[Financial snapshot] (10-K / 10-Q)
105- Revenue: ${X} YoY: {+/-X%}
106- Net income: ${X} | EPS: ${X}
107- Free cash flow: ${X}
108- Non-recurring: {describe or "none identified"}
109
110[Risk factors / MD&A highlights] (10-K / 10-Q)
111- New or escalated risks: {list}
112- Management tone: {cautious / neutral / optimistic}
113
114[Investment signal]
115{Bullish / Bearish / Neutral} — {1-sentence rationale}
116
117⚠️ 以上分析仅供参考,不构成投资建议。/ 以上分析僅供參考,不構成投資建議。/ For reference only. Not investment advice.
118```
119
120## Error handling
121
122| Situation | 简体回复 | 繁體回復 | English reply |
123|---|---|---|---|
124| `command not found: longbridge` | 切换到 MCP;若不可用,请安装 longbridge-terminal | 切換至 MCP;若不可用,請安裝 longbridge-terminal | Fall back to MCP; if unavailable, install longbridge-terminal |
125| stderr `not logged in` | 请执行 `longbridge auth login` | 請執行 `longbridge auth login` | Run `longbridge auth login` |
126| `filing` returns empty | 暂无 SEC 申报数据;尝试 `longbridge news` 补充 | 暫無 SEC 申報數據;嘗試 `longbridge news` 補充 | No filing data available; try `longbridge news` as supplement |
127| Non-US symbol requested | SEC 申报仅适用于美股;港股/A股请改用相应披露渠道 | SEC 申報僅適用於美股;港股/A股請改用相應披露渠道 | SEC filings are US-listed only; for HK/A-share use relevant disclosure channels |
128
129## MCP fallback
130
131When the CLI is unavailable, fall back to the MCP server. Discover available tools from the MCP server's tool list at runtime — do not rely on hardcoded tool names.
132
133## Related skills
134
135- Quarterly earnings analysis → `longbridge-earnings`
136- Insider / institutional flows (13F) → `longbridge-flows`
137- Fundamental KPIs → `longbridge-fundamental`
138- Company news and sentiment → `longbridge-news`
139
140## File layout
141
142```
143longbridge-sec-filings/
144└── SKILL.md # prompt-only, no scripts/
145```